ALDER BIOPHARMACEUTICALS INC

CUSIP: 014339105 Class: COM

Rock Springs Capital Management LP's Holding History (CIK: 0001595725)

Note: Option positions (PUT/CALL) are excluded.

Q3 2019
Shares 1,300,000 Value ($000) $24,518 Avg Close — Range —
Q2 2019
Shares 1,562,300 Value ($000) $18,388 Avg Close — Range —
Q1 2019
Shares 1,560,000 Value ($000) $21,294 Avg Close — Range —
Q4 2018
Shares 1,475,000 Value ($000) $15,119 Avg Close — Range —
Q3 2018
Shares 1,632,500 Value ($000) $27,181 Avg Close — Range —
Q2 2018
Shares 1,565,000 Value ($000) $24,727 Avg Close — Range —
Q1 2018
Shares 1,529,800 Value ($000) $19,428 Avg Close — Range —
Q4 2017
Shares 1,055,000 Value ($000) $12,080 Avg Close — Range —
Q3 2017
Shares 875,000 Value ($000) $10,719 Avg Close — Range —
Q2 2017
Shares 182,000 Value ($000) $2,084 Avg Close — Range —
Q1 2017
Shares 182,000 Value ($000) $3,786 Avg Close — Range —
Q4 2016
Shares 182,000 Value ($000) $3,786 Avg Close — Range —
Q3 2016
Shares 182,000 Value ($000) $5,964 Avg Close — Range —
Q2 2016
Shares 180,500 Value ($000) $4,507 Avg Close — Range —
Q1 2016
Shares 97,500 Value ($000) $2,388 Avg Close — Range —